20 #include "sysdep_decls.h"
21 #include "citserver.h"
26 #include "dynloader.h"
28 #include "mime_parser.h"
31 #define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
32 #define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
33 #define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
35 extern struct config config;
39 "", "", "", "", "", "", "", "",
40 "", "", "", "", "", "", "", "",
41 "", "", "", "", "", "", "", "",
42 "", "", "", "", "", "", "", "",
43 "", "", "", "", "", "", "", "",
44 "", "", "", "", "", "", "", "",
45 "", "", "", "", "", "", "", "",
46 "", "", "", "", "", "", "", "",
72 * This function is self explanatory.
73 * (What can I say, I'm in a weird mood today...)
75 void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
79 for (i = 0; i < strlen(name); ++i)
82 if (isspace(name[i - 1])) {
83 strcpy(&name[i - 1], &name[i]);
86 while (isspace(name[i + 1])) {
87 strcpy(&name[i + 1], &name[i + 2]);
94 * Aliasing for network mail.
95 * (Error messages have been commented out, because this is a server.)
98 { /* process alias and routing info for mail */
101 char aaa[300], bbb[300];
103 remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
105 fp = fopen("network/mail.aliases", "r");
107 fp = fopen("/dev/null", "r");
112 while (fgets(aaa, sizeof aaa, fp) != NULL) {
113 while (isspace(name[0]))
114 strcpy(name, &name[1]);
115 aaa[strlen(aaa) - 1] = 0;
117 for (a = 0; a < strlen(aaa); ++a) {
119 strcpy(bbb, &aaa[a + 1]);
123 if (!strcasecmp(name, aaa))
127 lprintf(7, "Mail is being forwarded to %s\n", name);
129 /* determine local or remote type, see citadel.h */
130 for (a = 0; a < strlen(name); ++a)
132 return (MES_INTERNET);
133 for (a = 0; a < strlen(name); ++a)
135 for (b = a; b < strlen(name); ++b)
137 return (MES_INTERNET);
139 for (a = 0; a < strlen(name); ++a)
143 lprintf(7, "Too many @'s in address\n");
147 for (a = 0; a < strlen(name); ++a)
149 strcpy(bbb, &name[a + 1]);
151 strcpy(bbb, &bbb[1]);
152 fp = fopen("network/mail.sysinfo", "r");
156 a = getstring(fp, aaa);
157 } while ((a >= 0) && (strcasecmp(aaa, bbb)));
158 a = getstring(fp, aaa);
159 if (!strncmp(aaa, "use ", 4)) {
160 strcpy(bbb, &aaa[4]);
165 if (!strncmp(aaa, "uum", 3)) {
167 for (a = 0; a < strlen(bbb); ++a) {
173 while (bbb[strlen(bbb) - 1] == '_')
174 bbb[strlen(bbb) - 1] = 0;
175 sprintf(name, &aaa[4], bbb);
176 return (MES_INTERNET);
178 if (!strncmp(aaa, "bin", 3)) {
181 while (aaa[strlen(aaa) - 1] != '@')
182 aaa[strlen(aaa) - 1] = 0;
183 aaa[strlen(aaa) - 1] = 0;
184 while (aaa[strlen(aaa) - 1] == ' ')
185 aaa[strlen(aaa) - 1] = 0;
186 while (bbb[0] != '@')
187 strcpy(bbb, &bbb[1]);
188 strcpy(bbb, &bbb[1]);
189 while (bbb[0] == ' ')
190 strcpy(bbb, &bbb[1]);
191 sprintf(name, "%s @%s", aaa, bbb);
204 fp = fopen("citadel.control", "r");
205 fread((char *) &CitControl, sizeof(struct CitControl), 1, fp);
211 void simple_listing(long msgnum)
213 cprintf("%ld\n", msgnum);
218 /* Determine if a given message matches the fields in a message template.
219 * Return 0 for a successful match.
221 int CtdlMsgCmp(struct CtdlMessage *msg, struct CtdlMessage *template) {
224 /* If there aren't any fields in the template, all messages will
227 if (template == NULL) return(0);
229 /* Null messages are bogus. */
230 if (msg == NULL) return(1);
232 for (i='A'; i<='Z'; ++i) {
233 if (template->cm_fields[i] != NULL) {
234 if (msg->cm_fields[i] == NULL) {
237 if (strcasecmp(msg->cm_fields[i],
238 template->cm_fields[i])) return 1;
242 /* All compares succeeded: we have a match! */
250 * API function to perform an operation for each qualifying message in the
253 void CtdlForEachMessage(int mode, long ref,
255 struct CtdlMessage *compare,
256 void (*CallBack) (long msgnum))
261 struct cdbdata *cdbfr;
262 long *msglist = NULL;
265 struct SuppMsgInfo smi;
266 struct CtdlMessage *msg;
268 /* Learn about the user and room in question */
270 getuser(&CC->usersupp, CC->curr_user);
271 CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
273 /* Load the message list */
274 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
276 msglist = mallok(cdbfr->len);
277 memcpy(msglist, cdbfr->ptr, cdbfr->len);
278 num_msgs = cdbfr->len / sizeof(long);
281 return; /* No messages at all? No further action. */
285 /* If the caller is looking for a specific MIME type, then filter
286 * out all messages which are not of the type requested.
289 if (content_type != NULL)
290 if (strlen(content_type) > 0)
291 for (a = 0; a < num_msgs; ++a) {
292 GetSuppMsgInfo(&smi, msglist[a]);
293 if (strcasecmp(smi.smi_content_type, content_type)) {
298 num_msgs = sort_msglist(msglist, num_msgs);
300 /* If a template was supplied, filter out the messages which
301 * don't match. (This could induce some delays!)
304 if (compare != NULL) {
305 for (a = 0; a < num_msgs; ++a) {
306 msg = CtdlFetchMessage(msglist[a]);
308 if (CtdlMsgCmp(msg, compare)) {
311 CtdlFreeMessage(msg);
319 * Now iterate through the message list, according to the
320 * criteria supplied by the caller.
323 for (a = 0; a < num_msgs; ++a) {
324 thismsg = msglist[a];
329 || ((mode == MSGS_OLD) && (thismsg <= vbuf.v_lastseen))
330 || ((mode == MSGS_NEW) && (thismsg > vbuf.v_lastseen))
331 || ((mode == MSGS_NEW) && (thismsg >= vbuf.v_lastseen)
332 && (CC->usersupp.flags & US_LASTOLD))
333 || ((mode == MSGS_LAST) && (a >= (num_msgs - ref)))
334 || ((mode == MSGS_FIRST) && (a < ref))
335 || ((mode == MSGS_GT) && (thismsg > ref))
341 phree(msglist); /* Clean up */
347 * cmd_msgs() - get list of message #'s in this room
348 * implements the MSGS server command using CtdlForEachMessage()
350 void cmd_msgs(char *cmdbuf)
359 int with_template = 0;
360 struct CtdlMessage *template = NULL;
362 extract(which, cmdbuf, 0);
363 cm_ref = extract_int(cmdbuf, 1);
364 with_template = extract_int(cmdbuf, 2);
368 if (!strncasecmp(which, "OLD", 3))
370 else if (!strncasecmp(which, "NEW", 3))
372 else if (!strncasecmp(which, "FIRST", 5))
374 else if (!strncasecmp(which, "LAST", 4))
376 else if (!strncasecmp(which, "GT", 2))
379 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
380 cprintf("%d not logged in\n", ERROR + NOT_LOGGED_IN);
385 cprintf("%d Send template then receive message list\n",
387 template = (struct CtdlMessage *)
388 mallok(sizeof(struct CtdlMessage));
389 memset(template, 0, sizeof(struct CtdlMessage));
390 while(client_gets(buf), strcmp(buf,"000")) {
391 extract(tfield, buf, 0);
392 extract(tvalue, buf, 1);
393 for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
394 if (!strcasecmp(tfield, msgkeys[i])) {
395 template->cm_fields[i] =
402 cprintf("%d Message list...\n", LISTING_FOLLOWS);
405 CtdlForEachMessage(mode, cm_ref, NULL, template, simple_listing);
406 if (template != NULL) CtdlFreeMessage(template);
414 * help_subst() - support routine for help file viewer
416 void help_subst(char *strbuf, char *source, char *dest)
421 while (p = pattern2(strbuf, source), (p >= 0)) {
422 strcpy(workbuf, &strbuf[p + strlen(source)]);
423 strcpy(&strbuf[p], dest);
424 strcat(strbuf, workbuf);
429 void do_help_subst(char *buffer)
433 help_subst(buffer, "^nodename", config.c_nodename);
434 help_subst(buffer, "^humannode", config.c_humannode);
435 help_subst(buffer, "^fqdn", config.c_fqdn);
436 help_subst(buffer, "^username", CC->usersupp.fullname);
437 sprintf(buf2, "%ld", CC->usersupp.usernum);
438 help_subst(buffer, "^usernum", buf2);
439 help_subst(buffer, "^sysadm", config.c_sysadm);
440 help_subst(buffer, "^variantname", CITADEL);
441 sprintf(buf2, "%d", config.c_maxsessions);
442 help_subst(buffer, "^maxsessions", buf2);
448 * memfmout() - Citadel text formatter and paginator.
449 * Although the original purpose of this routine was to format
450 * text to the reader's screen width, all we're really using it
451 * for here is to format text out to 80 columns before sending it
452 * to the client. The client software may reformat it again.
455 int width, /* screen width to use */
456 char *mptr, /* where are we going to get our text from? */
457 char subst) /* nonzero if we should do substitutions */
469 c = 1; /* c is the current pos */
472 while (ch = *mptr, ((ch != 0) && (strlen(buffer) < 126))) {
474 buffer[strlen(buffer) + 1] = 0;
475 buffer[strlen(buffer)] = ch;
478 if (buffer[0] == '^')
479 do_help_subst(buffer);
481 buffer[strlen(buffer) + 1] = 0;
483 strcpy(buffer, &buffer[1]);
493 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
495 if (((old == 13) || (old == 10)) && (isspace(real))) {
503 if (((strlen(aaa) + c) > (width - 5)) && (strlen(aaa) > (width - 5))) {
504 cprintf("\n%s", aaa);
513 if ((strlen(aaa) + c) > (width - 5)) {
523 if ((ch == 13) || (ch == 10)) {
524 cprintf("%s\n", aaa);
531 FMTEND: cprintf("%s\n", aaa);
537 * Callback function for mime parser that simply lists the part
539 void list_this_part(char *name, char *filename, char *partnum, char *disp,
540 void *content, char *cbtype, size_t length)
543 cprintf("part=%s|%s|%s|%s|%s|%d\n",
544 name, filename, partnum, disp, cbtype, length);
549 * Callback function for mime parser that opens a section for downloading
551 void mime_download(char *name, char *filename, char *partnum, char *disp,
552 void *content, char *cbtype, size_t length)
555 /* Silently go away if there's already a download open... */
556 if (CC->download_fp != NULL)
559 /* ...or if this is not the desired section */
560 if (strcasecmp(desired_section, partnum))
563 CC->download_fp = tmpfile();
564 if (CC->download_fp == NULL)
567 fwrite(content, length, 1, CC->download_fp);
568 fflush(CC->download_fp);
569 rewind(CC->download_fp);
571 OpenCmdResult(filename, cbtype);
577 * Load a message from disk into memory.
578 * This is used by CtdlOutputMsg() and other fetch functions.
580 * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
581 * using the CtdlMessageFree() function.
583 struct CtdlMessage *CtdlFetchMessage(long msgnum)
585 struct cdbdata *dmsgtext;
586 struct CtdlMessage *ret = NULL;
589 CIT_UBYTE field_header;
592 dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
593 if (dmsgtext == NULL) {
596 mptr = dmsgtext->ptr;
598 /* Parse the three bytes that begin EVERY message on disk.
599 * The first is always 0xFF, the on-disk magic number.
600 * The second is the anonymous/public type byte.
601 * The third is the format type byte (vari, fixed, or MIME).
605 lprintf(5, "Message %ld appears to be corrupted.\n", msgnum);
609 ret = (struct CtdlMessage *) mallok(sizeof(struct CtdlMessage));
610 memset(ret, 0, sizeof(struct CtdlMessage));
612 ret->cm_magic = CTDLMESSAGE_MAGIC;
613 ret->cm_anon_type = *mptr++; /* Anon type byte */
614 ret->cm_format_type = *mptr++; /* Format type byte */
617 * The rest is zero or more arbitrary fields. Load them in.
618 * We're done when we encounter either a zero-length field or
619 * have just processed the 'M' (message text) field.
622 field_length = strlen(mptr);
623 if (field_length == 0)
625 field_header = *mptr++;
626 ret->cm_fields[field_header] = mallok(field_length);
627 strcpy(ret->cm_fields[field_header], mptr);
629 while (*mptr++ != 0); /* advance to next field */
631 } while ((field_length > 0) && (field_header != 'M'));
635 /* Always make sure there's something in the msg text field */
636 if (ret->cm_fields['M'] == NULL)
637 ret->cm_fields['M'] = strdoop("<no text>\n");
639 /* Perform "before read" hooks (aborting if any return nonzero) */
640 if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
641 CtdlFreeMessage(ret);
650 * Returns 1 if the supplied pointer points to a valid Citadel message.
651 * If the pointer is NULL or the magic number check fails, returns 0.
653 int is_valid_message(struct CtdlMessage *msg) {
656 if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
657 lprintf(3, "is_valid_message() -- self-check failed\n");
665 * 'Destructor' for struct CtdlMessage
667 void CtdlFreeMessage(struct CtdlMessage *msg)
671 if (is_valid_message(msg) == 0) return;
673 for (i = 0; i < 256; ++i)
674 if (msg->cm_fields[i] != NULL)
675 phree(msg->cm_fields[i]);
677 msg->cm_magic = 0; /* just in case */
683 * Get a message off disk. (return value is the message's timestamp)
686 int CtdlOutputMsg(long msg_num, /* message number (local) to fetch */
687 int mode, /* how would you like that message? */
688 int headers_only, /* eschew the message body? */
689 int do_proto, /* do Citadel protocol responses? */
692 int crlf /* Use CRLF newlines instead of LF? */
699 char display_name[256];
700 struct CtdlMessage *TheMessage;
702 char *nl; /* newline string */
704 /* buffers needed for RFC822 translation */
713 /* BEGIN NESTED FUNCTION omprintf() */
714 void omprintf(const char *format, ...) {
718 va_start(arg_ptr, format);
719 if (vsnprintf(buf, sizeof buf, format, arg_ptr) == -1)
720 buf[sizeof buf - 2] = '\n';
722 fwrite(buf, strlen(buf), 1, outfp);
724 else if (outsock >= 0) {
725 write(outsock, buf, strlen(buf));
728 client_write(buf, strlen(buf));
732 /* END NESTED FUNCTION omprintf() */
734 /* BEGIN NESTED FUNCTION omfmout() */
735 void omfmout(char *mptr) {
746 c = 1; /* c is the current pos */
754 if (((ch == 13) || (ch == 10)) && (old != 13) && (old != 10))
756 if (((old == 13) || (old == 10)) && (isspace(real))) {
764 if (((strlen(aaa) + c) > (75)) && (strlen(aaa) > (75))) {
765 omprintf("%s%s", nl, aaa);
774 if ((strlen(aaa) + c) > (75)) {
778 omprintf("%s ", aaa);
784 if ((ch == 13) || (ch == 10)) {
785 omprintf("%s%s", aaa, nl);
792 FMTEND: omprintf("%s%s", aaa, nl);
794 /* END NESTED FUNCTION omfmout() */
796 /* BEGIN NESTED FUNCTION fixed_output() */
798 * Callback function for mime parser that wants to display text
800 void fixed_output(char *name, char *filename, char *partnum, char *disp,
801 void *content, char *cbtype, size_t length)
807 if (!strcasecmp(cbtype, "multipart/alternative")) {
808 strcpy(ma->prefix, partnum);
809 strcat(ma->prefix, ".");
815 if ( (!strncasecmp(partnum, ma->prefix, strlen(ma->prefix)))
817 && (ma->did_print == 1) ) {
818 lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
824 if (!strcasecmp(cbtype, "text/plain")) {
829 if (ch==10) omprintf("%s", nl);
830 else omprintf("%c", ch);
833 else if (!strcasecmp(cbtype, "text/html")) {
834 ptr = html_to_ascii(content, 80, 0);
839 if (ch==10) omprintf("%s", nl);
840 else omprintf("%c", ch);
844 else if (strncasecmp(cbtype, "multipart/", 10)) {
845 omprintf("Part %s: %s (%s) (%d bytes)%s",
846 partnum, filename, cbtype, length, nl);
850 /* END NESTED FUNCTION fixed_output() */
854 sprintf(mid, "%ld", msg_num);
855 nl = (crlf ? "\r\n" : "\n");
857 if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
858 if (do_proto) cprintf("%d Not logged in.\n",
859 ERROR + NOT_LOGGED_IN);
860 return(om_not_logged_in);
863 /* FIX ... small security issue
864 * We need to check to make sure the requested message is actually
865 * in the current room, and set msg_ok to 1 only if it is. This
866 * functionality is currently missing because I'm in a hurry to replace
867 * broken production code with nonbroken pre-beta code. :( -- ajc
870 if (do_proto) cprintf("%d Message %ld is not in this room.\n",
872 return(om_no_such_msg);
877 * Fetch the message from disk
879 TheMessage = CtdlFetchMessage(msg_num);
880 if (TheMessage == NULL) {
881 if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
883 return(om_no_such_msg);
886 /* Are we downloading a MIME component? */
887 if (mode == MT_DOWNLOAD) {
888 if (TheMessage->cm_format_type != FMT_RFC822) {
890 cprintf("%d This is not a MIME message.\n",
892 } else if (CC->download_fp != NULL) {
893 if (do_proto) cprintf(
894 "%d You already have a download open.\n",
897 /* Parse the message text component */
898 mptr = TheMessage->cm_fields['M'];
899 mime_parser(mptr, NULL, *mime_download);
900 /* If there's no file open by this time, the requested
901 * section wasn't found, so print an error
903 if (CC->download_fp == NULL) {
904 if (do_proto) cprintf(
905 "%d Section %s not found.\n",
906 ERROR + FILE_NOT_FOUND,
910 CtdlFreeMessage(TheMessage);
911 return((CC->download_fp != NULL) ? om_ok : om_mime_error);
914 /* now for the user-mode message reading loops */
915 if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
917 /* Tell the client which format type we're using. If this is a
918 * MIME message, *lie* about it and tell the user it's fixed-format.
920 if (mode == MT_CITADEL) {
921 if (TheMessage->cm_format_type == FMT_RFC822) {
922 if (do_proto) cprintf("type=1\n");
925 if (do_proto) cprintf("type=%d\n",
926 TheMessage->cm_format_type);
930 /* nhdr=yes means that we're only displaying headers, no body */
931 if ((TheMessage->cm_anon_type == MES_ANON) && (mode == MT_CITADEL)) {
932 if (do_proto) cprintf("nhdr=yes\n");
935 /* begin header processing loop for Citadel message format */
937 if ((mode == MT_CITADEL) || (mode == MT_MIME)) {
939 strcpy(display_name, "<unknown>");
940 if (TheMessage->cm_fields['A']) {
941 strcpy(buf, TheMessage->cm_fields['A']);
942 PerformUserHooks(buf, (-1L), EVT_OUTPUTMSG);
943 if (TheMessage->cm_anon_type == MES_ANON)
944 strcpy(display_name, "****");
945 else if (TheMessage->cm_anon_type == MES_AN2)
946 strcpy(display_name, "anonymous");
948 strcpy(display_name, buf);
950 && ((TheMessage->cm_anon_type == MES_ANON)
951 || (TheMessage->cm_anon_type == MES_AN2))) {
952 sprintf(&display_name[strlen(display_name)],
957 strcpy(allkeys, FORDER);
958 for (i=0; i<strlen(allkeys); ++i) {
959 k = (int) allkeys[i];
961 if (TheMessage->cm_fields[k] != NULL) {
963 if (do_proto) cprintf("%s=%s\n",
968 if (do_proto) cprintf("%s=%s\n",
970 TheMessage->cm_fields[k]
979 /* begin header processing loop for RFC822 transfer format */
983 strcpy(snode, NODENAME);
984 strcpy(lnode, HUMANNODE);
985 if (mode == MT_RFC822) {
986 for (i = 0; i < 256; ++i) {
987 if (TheMessage->cm_fields[i]) {
988 mptr = TheMessage->cm_fields[i];
992 } else if (i == 'P') {
993 omprintf("Path: %s%s", mptr, nl);
994 for (a = 0; a < strlen(mptr); ++a) {
995 if (mptr[a] == '!') {
996 strcpy(mptr, &mptr[a + 1]);
1000 strcpy(suser, mptr);
1001 } else if (i == 'U')
1002 omprintf("Subject: %s%s", mptr, nl);
1006 strcpy(lnode, mptr);
1008 omprintf("X-Citadel-Room: %s%s",
1011 strcpy(snode, mptr);
1013 omprintf("To: %s%s", mptr, nl);
1014 else if (i == 'T') {
1016 omprintf("Date: %s", asctime(localtime(&xtime)));
1022 if (mode == MT_RFC822) {
1023 if (!strcasecmp(snode, NODENAME)) {
1024 strcpy(snode, FQDN);
1026 omprintf("Message-ID: <%s@%s>%s", mid, snode, nl);
1027 PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
1028 omprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
1029 omprintf("Organization: %s%s", lnode, nl);
1032 /* end header processing loop ... at this point, we're in the text */
1034 mptr = TheMessage->cm_fields['M'];
1036 /* Tell the client about the MIME parts in this message */
1037 if (TheMessage->cm_format_type == FMT_RFC822) { /* legacy text dump */
1038 if (mode == MT_CITADEL) {
1039 mime_parser(mptr, NULL, *list_this_part);
1041 else if (mode == MT_MIME) { /* list parts only */
1042 mime_parser(mptr, NULL, *list_this_part);
1043 if (do_proto) cprintf("000\n");
1044 CtdlFreeMessage(TheMessage);
1050 if (do_proto) cprintf("000\n");
1051 CtdlFreeMessage(TheMessage);
1055 /* signify start of msg text */
1056 if (mode == MT_CITADEL)
1057 if (do_proto) cprintf("text\n");
1058 /* if ((mode == MT_RFC822) && (TheMessage->cm_format_type != FMT_RFC822)) { */
1059 if (mode == MT_RFC822) {
1063 /* If the format type on disk is 1 (fixed-format), then we want
1064 * everything to be output completely literally ... regardless of
1065 * what message transfer format is in use.
1067 if (TheMessage->cm_format_type == FMT_FIXED) {
1069 while (ch = *mptr++, ch > 0) {
1072 if ((ch == 10) || (strlen(buf) > 250)) {
1073 omprintf("%s%s", buf, nl);
1076 buf[strlen(buf) + 1] = 0;
1077 buf[strlen(buf)] = ch;
1080 if (strlen(buf) > 0)
1081 omprintf("%s%s", buf, nl);
1084 /* If the message on disk is format 0 (Citadel vari-format), we
1085 * output using the formatter at 80 columns. This is the final output
1086 * form if the transfer format is RFC822, but if the transfer format
1087 * is Citadel proprietary, it'll still work, because the indentation
1088 * for new paragraphs is correct and the client will reformat the
1089 * message to the reader's screen width.
1091 if (TheMessage->cm_format_type == FMT_CITADEL) {
1095 /* If the message on disk is format 4 (MIME), we've gotta hand it
1096 * off to the MIME parser. The client has already been told that
1097 * this message is format 1 (fixed format), so the callback function
1098 * we use will display those parts as-is.
1100 if (TheMessage->cm_format_type == FMT_RFC822) {
1101 CtdlAllocUserData(SYM_MA_INFO, sizeof(struct ma_info));
1102 memset(ma, 0, sizeof(struct ma_info));
1103 mime_parser(mptr, NULL, *fixed_output);
1106 /* now we're done */
1107 if (do_proto) cprintf("000\n");
1108 CtdlFreeMessage(TheMessage);
1115 * display a message (mode 0 - Citadel proprietary)
1117 void cmd_msg0(char *cmdbuf)
1120 int headers_only = 0;
1122 msgid = extract_long(cmdbuf, 0);
1123 headers_only = extract_int(cmdbuf, 1);
1125 CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, NULL, -1, 0);
1131 * display a message (mode 2 - RFC822)
1133 void cmd_msg2(char *cmdbuf)
1136 int headers_only = 0;
1138 msgid = extract_long(cmdbuf, 0);
1139 headers_only = extract_int(cmdbuf, 1);
1141 CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, NULL, -1, 1);
1147 * display a message (mode 3 - IGnet raw format - internal programs only)
1149 void cmd_msg3(char *cmdbuf)
1152 struct CtdlMessage *msg;
1155 if (CC->internal_pgm == 0) {
1156 cprintf("%d This command is for internal programs only.\n",
1161 msgnum = extract_long(cmdbuf, 0);
1162 msg = CtdlFetchMessage(msgnum);
1164 cprintf("%d Message %ld not found.\n",
1169 serialize_message(&smr, msg);
1170 CtdlFreeMessage(msg);
1173 cprintf("%d Unable to serialize message\n",
1174 ERROR+INTERNAL_ERROR);
1178 cprintf("%d %ld\n", BINARY_FOLLOWS, smr.len);
1179 client_write(smr.ser, smr.len);
1186 * display a message (mode 4 - MIME) (FIX ... still evolving, not complete)
1188 void cmd_msg4(char *cmdbuf)
1192 msgid = extract_long(cmdbuf, 0);
1193 CtdlOutputMsg(msgid, MT_MIME, 0, 1, NULL, -1, 0);
1197 * Open a component of a MIME message as a download file
1199 void cmd_opna(char *cmdbuf)
1203 CtdlAllocUserData(SYM_DESIRED_SECTION, 64);
1205 msgid = extract_long(cmdbuf, 0);
1206 extract(desired_section, cmdbuf, 1);
1208 CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, NULL, -1, 1);
1213 * Save a message pointer into a specified room
1214 * (Returns 0 for success, nonzero for failure)
1215 * roomname may be NULL to use the current room
1217 int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
1219 char hold_rm[ROOMNAMELEN];
1220 struct cdbdata *cdbfr;
1223 long highest_msg = 0L;
1224 struct CtdlMessage *msg = NULL;
1226 lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
1227 roomname, msgid, flags);
1229 strcpy(hold_rm, CC->quickroom.QRname);
1231 /* We may need to check to see if this message is real */
1232 if ( (flags & SM_VERIFY_GOODNESS)
1233 || (flags & SM_DO_REPL_CHECK)
1235 msg = CtdlFetchMessage(msgid);
1236 if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
1239 /* Perform replication checks if necessary */
1240 if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
1242 if (getroom(&CC->quickroom,
1243 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1245 lprintf(9, "No such room <%s>\n", roomname);
1246 if (msg != NULL) CtdlFreeMessage(msg);
1247 return(ERROR + ROOM_NOT_FOUND);
1250 if (ReplicationChecks(msg) != 0) {
1251 getroom(&CC->quickroom, hold_rm);
1252 if (msg != NULL) CtdlFreeMessage(msg);
1253 lprintf(9, "Did replication, and newer exists\n");
1258 /* Now the regular stuff */
1259 if (lgetroom(&CC->quickroom,
1260 ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
1262 lprintf(9, "No such room <%s>\n", roomname);
1263 if (msg != NULL) CtdlFreeMessage(msg);
1264 return(ERROR + ROOM_NOT_FOUND);
1267 cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
1268 if (cdbfr == NULL) {
1272 msglist = mallok(cdbfr->len);
1273 if (msglist == NULL)
1274 lprintf(3, "ERROR malloc msglist!\n");
1275 num_msgs = cdbfr->len / sizeof(long);
1276 memcpy(msglist, cdbfr->ptr, cdbfr->len);
1281 /* Make sure the message doesn't already exist in this room. It
1282 * is absolutely taboo to have more than one reference to the same
1283 * message in a room.
1285 if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
1286 if (msglist[i] == msgid) {
1287 lputroom(&CC->quickroom); /* unlock the room */
1288 getroom(&CC->quickroom, hold_rm);
1289 if (msg != NULL) CtdlFreeMessage(msg);
1290 return(ERROR + ALREADY_EXISTS);
1294 /* Now add the new message */
1296 msglist = reallok(msglist,
1297 (num_msgs * sizeof(long)));
1299 if (msglist == NULL) {
1300 lprintf(3, "ERROR: can't realloc message list!\n");
1302 msglist[num_msgs - 1] = msgid;
1304 /* Sort the message list, so all the msgid's are in order */
1305 num_msgs = sort_msglist(msglist, num_msgs);
1307 /* Determine the highest message number */
1308 highest_msg = msglist[num_msgs - 1];
1310 /* Write it back to disk. */
1311 cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
1312 msglist, num_msgs * sizeof(long));
1314 /* Free up the memory we used. */
1317 /* Update the highest-message pointer and unlock the room. */
1318 CC->quickroom.QRhighest = highest_msg;
1319 lputroom(&CC->quickroom);
1320 getroom(&CC->quickroom, hold_rm);
1322 /* Bump the reference count for this message. */
1323 AdjRefCount(msgid, +1);
1325 /* Return success. */
1326 if (msg != NULL) CtdlFreeMessage(msg);
1333 * Message base operation to send a message to the master file
1334 * (returns new message number)
1336 * This is the back end for CtdlSaveMsg() and should not be directly
1337 * called by server-side modules.
1340 long send_message(struct CtdlMessage *msg, /* pointer to buffer */
1341 int generate_id, /* generate 'I' field? */
1342 FILE *save_a_copy) /* save a copy to disk? */
1349 /* Get a new message number */
1350 newmsgid = get_new_message_number();
1351 sprintf(msgidbuf, "%ld", newmsgid);
1354 msg->cm_fields['I'] = strdoop(msgidbuf);
1357 serialize_message(&smr, msg);
1360 cprintf("%d Unable to serialize message\n",
1361 ERROR+INTERNAL_ERROR);
1365 /* Write our little bundle of joy into the message base */
1366 begin_critical_section(S_MSGMAIN);
1367 if (cdb_store(CDB_MSGMAIN, &newmsgid, sizeof(long),
1368 smr.ser, smr.len) < 0) {
1369 lprintf(2, "Can't store message\n");
1374 end_critical_section(S_MSGMAIN);
1376 /* If the caller specified that a copy should be saved to a particular
1377 * file handle, do that now too.
1379 if (save_a_copy != NULL) {
1380 fwrite(smr.ser, smr.len, 1, save_a_copy);
1383 /* Free the memory we used for the serialized message */
1386 /* Return the *local* message ID to the caller
1387 * (even if we're storing an incoming network message)
1395 * Serialize a struct CtdlMessage into the format used on disk and network.
1397 * This function loads up a "struct ser_ret" (defined in server.h) which
1398 * contains the length of the serialized message and a pointer to the
1399 * serialized message in memory. THE LATTER MUST BE FREED BY THE CALLER.
1401 void serialize_message(struct ser_ret *ret, /* return values */
1402 struct CtdlMessage *msg) /* unserialized msg */
1406 static char *forder = FORDER;
1408 if (is_valid_message(msg) == 0) return; /* self check */
1411 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
1412 ret->len = ret->len +
1413 strlen(msg->cm_fields[(int)forder[i]]) + 2;
1415 lprintf(9, "calling malloc\n");
1416 ret->ser = mallok(ret->len);
1417 if (ret->ser == NULL) {
1423 ret->ser[1] = msg->cm_anon_type;
1424 ret->ser[2] = msg->cm_format_type;
1427 for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
1428 ret->ser[wlen++] = (char)forder[i];
1429 strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
1430 wlen = wlen + strlen(msg->cm_fields[(int)forder[i]]) + 1;
1432 if (ret->len != wlen) lprintf(3, "ERROR: len=%d wlen=%d\n",
1441 * Back end for the ReplicationChecks() function
1443 void check_repl(long msgnum) {
1444 struct CtdlMessage *msg;
1445 time_t timestamp = (-1L);
1447 lprintf(9, "check_repl() found message %ld\n", msgnum);
1448 msg = CtdlFetchMessage(msgnum);
1449 if (msg == NULL) return;
1450 if (msg->cm_fields['T'] != NULL) {
1451 timestamp = atol(msg->cm_fields['T']);
1453 CtdlFreeMessage(msg);
1455 if (timestamp > msg_repl->highest) {
1456 msg_repl->highest = timestamp; /* newer! */
1457 lprintf(9, "newer!\n");
1460 lprintf(9, "older!\n");
1462 /* Existing isn't newer? Then delete the old one(s). */
1463 CtdlDeleteMessages(CC->quickroom.QRname, msgnum, NULL);
1468 * Check to see if any messages already exist which carry the same Extended ID
1472 * -> With older timestamps: delete them and return 0. Message will be saved.
1473 * -> With newer timestamps: return 1. Message save will be aborted.
1475 int ReplicationChecks(struct CtdlMessage *msg) {
1476 struct CtdlMessage *template;
1479 lprintf(9, "ReplicationChecks() started\n");
1480 /* No extended id? Don't do anything. */
1481 if (msg->cm_fields['E'] == NULL) return 0;
1482 if (strlen(msg->cm_fields['E']) == 0) return 0;
1483 lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
1485 CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
1486 strcpy(msg_repl->extended_id, msg->cm_fields['E']);
1487 msg_repl->highest = atol(msg->cm_fields['T']);
1489 template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
1490 memset(template, 0, sizeof(struct CtdlMessage));
1491 template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
1493 CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl);
1495 /* If a newer message exists with the same Extended ID, abort
1498 if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
1502 CtdlFreeMessage(template);
1503 lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
1511 * Save a message to disk
1513 long CtdlSaveMsg(struct CtdlMessage *msg, /* message to save */
1514 char *rec, /* Recipient (mail) */
1515 char *force, /* force a particular room? */
1516 int mailtype, /* local or remote type */
1517 int generate_id) /* 1 = generate 'I' field */
1520 char hold_rm[ROOMNAMELEN];
1521 char actual_rm[ROOMNAMELEN];
1522 char force_room[ROOMNAMELEN];
1523 char content_type[256]; /* We have to learn this */
1524 char recipient[256];
1527 struct usersupp userbuf;
1529 struct SuppMsgInfo smi;
1530 FILE *network_fp = NULL;
1531 static int seqnum = 1;
1532 struct CtdlMessage *imsg;
1535 lprintf(9, "CtdlSaveMsg() called\n");
1536 if (is_valid_message(msg) == 0) return(-1); /* self check */
1538 /* If this message has no timestamp, we take the liberty of
1539 * giving it one, right now.
1541 if (msg->cm_fields['T'] == NULL) {
1542 lprintf(9, "Generating timestamp\n");
1543 sprintf(aaa, "%ld", time(NULL));
1544 msg->cm_fields['T'] = strdoop(aaa);
1547 /* If this message has no path, we generate one.
1549 if (msg->cm_fields['P'] == NULL) {
1550 lprintf(9, "Generating path\n");
1551 if (msg->cm_fields['A'] != NULL) {
1552 msg->cm_fields['P'] = strdoop(msg->cm_fields['A']);
1553 for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
1554 if (isspace(msg->cm_fields['P'][a])) {
1555 msg->cm_fields['P'][a] = ' ';
1560 msg->cm_fields['P'] = strdoop("unknown");
1564 strcpy(force_room, force);
1566 /* Strip non-printable characters out of the recipient name */
1567 strcpy(recipient, rec);
1568 for (a = 0; a < strlen(recipient); ++a)
1569 if (!isprint(recipient[a]))
1570 strcpy(&recipient[a], &recipient[a + 1]);
1572 /* Learn about what's inside, because it's what's inside that counts */
1573 lprintf(9, "Learning what's inside\n");
1574 if (msg->cm_fields['M'] == NULL) {
1575 lprintf(1, "ERROR: attempt to save message with NULL body\n");
1578 switch (msg->cm_format_type) {
1580 strcpy(content_type, "text/x-citadel-variformat");
1583 strcpy(content_type, "text/plain");
1586 strcpy(content_type, "text/plain");
1587 /* advance past header fields */
1588 mptr = msg->cm_fields['M'];
1591 if (!strncasecmp(mptr, "Content-type: ", 14)) {
1592 safestrncpy(content_type, mptr,
1593 sizeof(content_type));
1594 strcpy(content_type, &content_type[14]);
1595 for (a = 0; a < strlen(content_type); ++a)
1596 if ((content_type[a] == ';')
1597 || (content_type[a] == ' ')
1598 || (content_type[a] == 13)
1599 || (content_type[a] == 10))
1600 content_type[a] = 0;
1607 /* Goto the correct room */
1608 lprintf(9, "Switching rooms\n");
1609 strcpy(hold_rm, CC->quickroom.QRname);
1610 strcpy(actual_rm, CC->quickroom.QRname);
1612 /* If the user is a twit, move to the twit room for posting */
1613 lprintf(9, "Handling twit stuff\n");
1615 if (CC->usersupp.axlevel == 2) {
1616 strcpy(hold_rm, actual_rm);
1617 strcpy(actual_rm, config.c_twitroom);
1621 /* ...or if this message is destined for Aide> then go there. */
1622 if (strlen(force_room) > 0) {
1623 strcpy(actual_rm, force_room);
1626 lprintf(9, "Possibly relocating\n");
1627 if (strcasecmp(actual_rm, CC->quickroom.QRname))
1628 getroom(&CC->quickroom, actual_rm);
1630 /* Perform "before save" hooks (aborting if any return nonzero) */
1631 lprintf(9, "Performing before-save hooks\n");
1632 if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-1);
1634 /* If this message has an Extended ID, perform replication checks */
1635 lprintf(9, "Performing replication checks\n");
1636 if (ReplicationChecks(msg) > 0) return(-1);
1638 /* Network mail - send a copy to the network program. */
1639 if ((strlen(recipient) > 0) && (mailtype == MES_BINARY)) {
1640 lprintf(9, "Sending network spool\n");
1641 sprintf(aaa, "./network/spoolin/netmail.%04lx.%04x.%04x",
1642 (long) getpid(), CC->cs_pid, ++seqnum);
1643 lprintf(9, "Saving a copy to %s\n", aaa);
1644 network_fp = fopen(aaa, "ab+");
1645 if (network_fp == NULL)
1646 lprintf(2, "ERROR: %s\n", strerror(errno));
1649 /* Save it to disk */
1650 lprintf(9, "Saving to disk\n");
1651 newmsgid = send_message(msg, generate_id, network_fp);
1652 if (network_fp != NULL) {
1654 system("exec nohup ./netproc -i >/dev/null 2>&1 &");
1657 if (newmsgid <= 0L) return(-1);
1659 /* Write a supplemental message info record. This doesn't have to
1660 * be a critical section because nobody else knows about this message
1663 lprintf(9, "Creating SuppMsgInfo record\n");
1664 memset(&smi, 0, sizeof(struct SuppMsgInfo));
1665 smi.smi_msgnum = newmsgid;
1666 smi.smi_refcount = 0;
1667 safestrncpy(smi.smi_content_type, content_type, 64);
1668 PutSuppMsgInfo(&smi);
1670 /* Now figure out where to store the pointers */
1671 lprintf(9, "Storing pointers\n");
1674 /* If this is being done by the networker delivering a private
1675 * message, we want to BYPASS saving the sender's copy (because there
1676 * is no local sender; it would otherwise go to the Trashcan).
1678 if ((!CC->internal_pgm) || (strlen(recipient) == 0)) {
1679 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1682 /* For internet mail, drop a copy in the outbound queue room */
1683 if (mailtype == MES_INTERNET) {
1684 CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
1686 /* And generate delivery instructions */
1687 lprintf(9, "Generating delivery instructions\n");
1688 instr = mallok(2048);
1690 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
1692 SPOOLMIME, newmsgid, time(NULL), recipient );
1694 imsg = mallok(sizeof(struct CtdlMessage));
1695 memset(imsg, 0, sizeof(struct CtdlMessage));
1696 imsg->cm_magic = CTDLMESSAGE_MAGIC;
1697 imsg->cm_anon_type = MES_NORMAL;
1698 imsg->cm_format_type = FMT_RFC822;
1699 imsg->cm_fields['M'] = instr;
1700 CtdlSaveMsg(imsg, "", SMTP_SPOOLOUT_ROOM, MES_LOCAL, 1);
1701 CtdlFreeMessage(imsg);
1704 /* Bump this user's messages posted counter. */
1705 lprintf(9, "Updating user\n");
1706 lgetuser(&CC->usersupp, CC->curr_user);
1707 CC->usersupp.posted = CC->usersupp.posted + 1;
1708 lputuser(&CC->usersupp);
1710 /* If this is private, local mail, make a copy in the
1711 * recipient's mailbox and bump the reference count.
1713 if ((strlen(recipient) > 0) && (mailtype == MES_LOCAL)) {
1714 if (getuser(&userbuf, recipient) == 0) {
1715 lprintf(9, "Delivering private mail\n");
1716 MailboxName(actual_rm, &userbuf, MAILROOM);
1717 CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
1721 /* Perform "after save" hooks */
1722 lprintf(9, "Performing after-save hooks\n");
1723 PerformMessageHooks(msg, EVT_AFTERSAVE);
1726 lprintf(9, "Returning to original room\n");
1727 if (strcasecmp(hold_rm, CC->quickroom.QRname))
1728 getroom(&CC->quickroom, hold_rm);
1736 * Convenience function for generating small administrative messages.
1738 void quickie_message(char *from, char *to, char *room, char *text)
1740 struct CtdlMessage *msg;
1742 msg = mallok(sizeof(struct CtdlMessage));
1743 memset(msg, 0, sizeof(struct CtdlMessage));
1744 msg->cm_magic = CTDLMESSAGE_MAGIC;
1745 msg->cm_anon_type = MES_NORMAL;
1746 msg->cm_format_type = 0;
1747 msg->cm_fields['A'] = strdoop(from);
1748 msg->cm_fields['O'] = strdoop(room);
1749 msg->cm_fields['N'] = strdoop(NODENAME);
1751 msg->cm_fields['R'] = strdoop(to);
1752 msg->cm_fields['M'] = strdoop(text);
1754 CtdlSaveMsg(msg, "", room, MES_LOCAL, 1);
1755 CtdlFreeMessage(msg);
1756 syslog(LOG_NOTICE, text);
1762 * Back end function used by make_message() and similar functions
1764 char *CtdlReadMessageBody(char *terminator, /* token signalling EOT */
1765 size_t maxlen, /* maximum message length */
1766 char *exist /* if non-null, append to it;
1767 exist is ALWAYS freed */
1770 size_t message_len = 0;
1771 size_t buffer_len = 0;
1775 if (exist == NULL) {
1779 m = reallok(exist, strlen(exist) + 4096);
1780 if (m == NULL) phree(exist);
1783 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
1790 /* read in the lines of message text one by one */
1792 while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
1794 /* augment the buffer if we have to */
1795 if ((message_len + strlen(buf) + 2) > buffer_len) {
1796 lprintf(9, "realloking\n");
1797 ptr = reallok(m, (buffer_len * 2) );
1798 if (ptr == NULL) { /* flush if can't allocate */
1799 while ( (client_gets(buf)>0) &&
1800 strcmp(buf, terminator)) ;;
1803 buffer_len = (buffer_len * 2);
1806 lprintf(9, "buffer_len is %d\n", buffer_len);
1810 if (append == NULL) append = m;
1811 while (strlen(append) > 0) ++append;
1812 strcpy(append, buf);
1813 strcat(append, "\n");
1814 message_len = message_len + strlen(buf) + 1;
1816 /* if we've hit the max msg length, flush the rest */
1817 if (message_len >= maxlen) {
1818 while ( (client_gets(buf)>0) && strcmp(buf, terminator)) ;;
1829 * Build a binary message to be saved on disk.
1832 struct CtdlMessage *make_message(
1833 struct usersupp *author, /* author's usersupp structure */
1834 char *recipient, /* NULL if it's not mail */
1835 char *room, /* room where it's going */
1836 int type, /* see MES_ types in header file */
1837 int net_type, /* see MES_ types in header file */
1838 int format_type, /* local or remote (see citadel.h) */
1839 char *fake_name) /* who we're masquerading as */
1845 struct CtdlMessage *msg;
1847 msg = mallok(sizeof(struct CtdlMessage));
1848 memset(msg, 0, sizeof(struct CtdlMessage));
1849 msg->cm_magic = CTDLMESSAGE_MAGIC;
1850 msg->cm_anon_type = type;
1851 msg->cm_format_type = format_type;
1853 /* Don't confuse the poor folks if it's not routed mail. */
1854 strcpy(dest_node, "");
1856 /* If net_type is MES_BINARY, split out the destination node. */
1857 if (net_type == MES_BINARY) {
1858 strcpy(dest_node, NODENAME);
1859 for (a = 0; a < strlen(recipient); ++a) {
1860 if (recipient[a] == '@') {
1862 strcpy(dest_node, &recipient[a + 1]);
1867 /* if net_type is MES_INTERNET, set the dest node to 'internet' */
1868 if (net_type == MES_INTERNET) {
1869 strcpy(dest_node, "internet");
1872 while (isspace(recipient[strlen(recipient) - 1]))
1873 recipient[strlen(recipient) - 1] = 0;
1875 sprintf(buf, "cit%ld", author->usernum); /* Path */
1876 msg->cm_fields['P'] = strdoop(buf);
1878 sprintf(buf, "%ld", time(NULL)); /* timestamp */
1879 msg->cm_fields['T'] = strdoop(buf);
1881 if (fake_name[0]) /* author */
1882 msg->cm_fields['A'] = strdoop(fake_name);
1884 msg->cm_fields['A'] = strdoop(author->fullname);
1886 if (CC->quickroom.QRflags & QR_MAILBOX) /* room */
1887 msg->cm_fields['O'] = strdoop(&CC->quickroom.QRname[11]);
1889 msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
1891 msg->cm_fields['N'] = strdoop(NODENAME); /* nodename */
1892 msg->cm_fields['H'] = strdoop(HUMANNODE); /* hnodename */
1894 if (recipient[0] != 0)
1895 msg->cm_fields['R'] = strdoop(recipient);
1896 if (dest_node[0] != 0)
1897 msg->cm_fields['D'] = strdoop(dest_node);
1900 msg->cm_fields['M'] = CtdlReadMessageBody("000",
1901 config.c_maxmsglen, NULL);
1912 * message entry - mode 0 (normal)
1914 void cmd_ent0(char *entargs)
1917 char recipient[256];
1919 int format_type = 0;
1920 char newusername[256];
1921 struct CtdlMessage *msg;
1925 struct usersupp tempUS;
1928 post = extract_int(entargs, 0);
1929 extract(recipient, entargs, 1);
1930 anon_flag = extract_int(entargs, 2);
1931 format_type = extract_int(entargs, 3);
1933 /* first check to make sure the request is valid. */
1935 if (!(CC->logged_in)) {
1936 cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
1939 if ((CC->usersupp.axlevel < 2) && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)) {
1940 cprintf("%d Need to be validated to enter ",
1941 ERROR + HIGHER_ACCESS_REQUIRED);
1942 cprintf("(except in %s> to sysop)\n", MAILROOM);
1945 if ((CC->usersupp.axlevel < 4) && (CC->quickroom.QRflags & QR_NETWORK)) {
1946 cprintf("%d Need net privileges to enter here.\n",
1947 ERROR + HIGHER_ACCESS_REQUIRED);
1950 if ((CC->usersupp.axlevel < 6) && (CC->quickroom.QRflags & QR_READONLY)) {
1951 cprintf("%d Sorry, this is a read-only room.\n",
1952 ERROR + HIGHER_ACCESS_REQUIRED);
1959 if (CC->usersupp.axlevel < 6) {
1960 cprintf("%d You don't have permission to masquerade.\n",
1961 ERROR + HIGHER_ACCESS_REQUIRED);
1964 extract(newusername, entargs, 4);
1965 memset(CC->fake_postname, 0, 32);
1966 strcpy(CC->fake_postname, newusername);
1967 cprintf("%d Ok\n", OK);
1970 CC->cs_flags |= CS_POSTING;
1973 if (CC->quickroom.QRflags & QR_MAILBOX) {
1974 if (CC->usersupp.axlevel >= 2) {
1975 strcpy(buf, recipient);
1977 strcpy(buf, "sysop");
1978 e = alias(buf); /* alias and mail type */
1979 if ((buf[0] == 0) || (e == MES_ERROR)) {
1980 cprintf("%d Unknown address - cannot send message.\n",
1981 ERROR + NO_SUCH_USER);
1984 if ((e != MES_LOCAL) && (CC->usersupp.axlevel < 4)) {
1985 cprintf("%d Net privileges required for network mail.\n",
1986 ERROR + HIGHER_ACCESS_REQUIRED);
1989 if ((RESTRICT_INTERNET == 1) && (e == MES_INTERNET)
1990 && ((CC->usersupp.flags & US_INTERNET) == 0)
1991 && (!CC->internal_pgm)) {
1992 cprintf("%d You don't have access to Internet mail.\n",
1993 ERROR + HIGHER_ACCESS_REQUIRED);
1996 if (!strcasecmp(buf, "sysop")) {
2001 goto SKFALL; /* don't search local file */
2002 if (!strcasecmp(buf, CC->usersupp.fullname)) {
2003 cprintf("%d Can't send mail to yourself!\n",
2004 ERROR + NO_SUCH_USER);
2007 /* Check to make sure the user exists; also get the correct
2008 * upper/lower casing of the name.
2010 a = getuser(&tempUS, buf);
2012 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
2015 strcpy(buf, tempUS.fullname);
2018 SKFALL: b = MES_NORMAL;
2019 if (CC->quickroom.QRflags & QR_ANONONLY)
2021 if (CC->quickroom.QRflags & QR_ANONOPT) {
2025 if ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2028 /* If we're only checking the validity of the request, return
2029 * success without creating the message.
2032 cprintf("%d %s\n", OK, buf);
2036 cprintf("%d send message\n", SEND_LISTING);
2038 /* Read in the message from the client. */
2039 if (CC->fake_postname[0])
2040 msg = make_message(&CC->usersupp, buf,
2041 CC->quickroom.QRname, b, e, format_type,
2043 else if (CC->fake_username[0])
2044 msg = make_message(&CC->usersupp, buf,
2045 CC->quickroom.QRname, b, e, format_type,
2048 msg = make_message(&CC->usersupp, buf,
2049 CC->quickroom.QRname, b, e, format_type, "");
2052 CtdlSaveMsg(msg, buf, (mtsflag ? AIDEROOM : ""), e, 1);
2053 CtdlFreeMessage(msg);
2054 CC->fake_postname[0] = '\0';
2061 * message entry - mode 3 (raw)
2063 void cmd_ent3(char *entargs)
2069 unsigned char ch, which_field;
2070 struct usersupp tempUS;
2072 struct CtdlMessage *msg;
2075 if (CC->internal_pgm == 0) {
2076 cprintf("%d This command is for internal programs only.\n",
2081 /* See if there's a recipient, but make sure it's a real one */
2082 extract(recp, entargs, 1);
2083 for (a = 0; a < strlen(recp); ++a)
2084 if (!isprint(recp[a]))
2085 strcpy(&recp[a], &recp[a + 1]);
2086 while (isspace(recp[0]))
2087 strcpy(recp, &recp[1]);
2088 while (isspace(recp[strlen(recp) - 1]))
2089 recp[strlen(recp) - 1] = 0;
2091 /* If we're in Mail, check the recipient */
2092 if (strlen(recp) > 0) {
2093 e = alias(recp); /* alias and mail type */
2094 if ((recp[0] == 0) || (e == MES_ERROR)) {
2095 cprintf("%d Unknown address - cannot send message.\n",
2096 ERROR + NO_SUCH_USER);
2099 if (e == MES_LOCAL) {
2100 a = getuser(&tempUS, recp);
2102 cprintf("%d No such user.\n",
2103 ERROR + NO_SUCH_USER);
2109 /* At this point, message has been approved. */
2110 if (extract_int(entargs, 0) == 0) {
2111 cprintf("%d OK to send\n", OK);
2115 msglen = extract_long(entargs, 2);
2116 msg = mallok(sizeof(struct CtdlMessage));
2118 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
2122 memset(msg, 0, sizeof(struct CtdlMessage));
2123 tempbuf = mallok(msglen);
2124 if (tempbuf == NULL) {
2125 cprintf("%d Out of memory\n", ERROR+INTERNAL_ERROR);
2130 cprintf("%d %ld\n", SEND_BINARY, msglen);
2132 client_read(&ch, 1); /* 0xFF magic number */
2133 msg->cm_magic = CTDLMESSAGE_MAGIC;
2134 client_read(&ch, 1); /* anon type */
2135 msg->cm_anon_type = ch;
2136 client_read(&ch, 1); /* format type */
2137 msg->cm_format_type = ch;
2138 msglen = msglen - 3;
2140 while (msglen > 0) {
2141 client_read(&which_field, 1);
2142 if (!isalpha(which_field)) valid_msg = 0;
2146 client_read(&ch, 1);
2148 a = strlen(tempbuf);
2151 } while ( (ch != 0) && (msglen > 0) );
2153 msg->cm_fields[which_field] = strdoop(tempbuf);
2156 msg->cm_flags = CM_SKIP_HOOKS;
2157 if (valid_msg) CtdlSaveMsg(msg, recp, "", e, 0);
2158 CtdlFreeMessage(msg);
2164 * API function to delete messages which match a set of criteria
2165 * (returns the actual number of messages deleted)
2167 int CtdlDeleteMessages(char *room_name, /* which room */
2168 long dmsgnum, /* or "0" for any */
2169 char *content_type /* or NULL for any */
2173 struct quickroom qrbuf;
2174 struct cdbdata *cdbfr;
2175 long *msglist = NULL;
2178 int num_deleted = 0;
2180 struct SuppMsgInfo smi;
2182 lprintf(9, "CtdlDeleteMessages(%s, %ld, %s)\n",
2183 room_name, dmsgnum, content_type);
2185 /* get room record, obtaining a lock... */
2186 if (lgetroom(&qrbuf, room_name) != 0) {
2187 lprintf(7, "CtdlDeleteMessages(): Room <%s> not found\n",
2189 return (0); /* room not found */
2191 cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
2193 if (cdbfr != NULL) {
2194 msglist = mallok(cdbfr->len);
2195 memcpy(msglist, cdbfr->ptr, cdbfr->len);
2196 num_msgs = cdbfr->len / sizeof(long);
2200 for (i = 0; i < num_msgs; ++i) {
2203 /* Set/clear a bit for each criterion */
2205 if ((dmsgnum == 0L) || (msglist[i] == dmsgnum)) {
2206 delete_this |= 0x01;
2208 if (content_type == NULL) {
2209 delete_this |= 0x02;
2211 GetSuppMsgInfo(&smi, msglist[i]);
2212 if (!strcasecmp(smi.smi_content_type,
2214 delete_this |= 0x02;
2218 /* Delete message only if all bits are set */
2219 if (delete_this == 0x03) {
2220 AdjRefCount(msglist[i], -1);
2226 num_msgs = sort_msglist(msglist, num_msgs);
2227 cdb_store(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long),
2228 msglist, (num_msgs * sizeof(long)));
2230 qrbuf.QRhighest = msglist[num_msgs - 1];
2234 lprintf(9, "%d message(s) deleted.\n", num_deleted);
2235 return (num_deleted);
2241 * Delete message from current room
2243 void cmd_dele(char *delstr)
2248 getuser(&CC->usersupp, CC->curr_user);
2249 if ((CC->usersupp.axlevel < 6)
2250 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)
2251 && ((CC->quickroom.QRflags & QR_MAILBOX) == 0)
2252 && (!(CC->internal_pgm))) {
2253 cprintf("%d Higher access required.\n",
2254 ERROR + HIGHER_ACCESS_REQUIRED);
2257 delnum = extract_long(delstr, 0);
2259 num_deleted = CtdlDeleteMessages(CC->quickroom.QRname, delnum, NULL);
2262 cprintf("%d %d message%s deleted.\n", OK,
2263 num_deleted, ((num_deleted != 1) ? "s" : ""));
2265 cprintf("%d Message %ld not found.\n", ERROR, delnum);
2271 * move or copy a message to another room
2273 void cmd_move(char *args)
2277 struct quickroom qtemp;
2281 num = extract_long(args, 0);
2282 extract(targ, args, 1);
2283 targ[ROOMNAMELEN - 1] = 0;
2284 is_copy = extract_int(args, 2);
2286 getuser(&CC->usersupp, CC->curr_user);
2287 if ((CC->usersupp.axlevel < 6)
2288 && (CC->usersupp.usernum != CC->quickroom.QRroomaide)) {
2289 cprintf("%d Higher access required.\n",
2290 ERROR + HIGHER_ACCESS_REQUIRED);
2294 if (getroom(&qtemp, targ) != 0) {
2295 cprintf("%d '%s' does not exist.\n", ERROR, targ);
2299 err = CtdlSaveMsgPointerInRoom(targ, num,
2300 (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
2302 cprintf("%d Cannot store message in %s: error %d\n",
2307 /* Now delete the message from the source room,
2308 * if this is a 'move' rather than a 'copy' operation.
2310 if (is_copy == 0) CtdlDeleteMessages(CC->quickroom.QRname, num, NULL);
2312 cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
2318 * GetSuppMsgInfo() - Get the supplementary record for a message
2320 void GetSuppMsgInfo(struct SuppMsgInfo *smibuf, long msgnum)
2323 struct cdbdata *cdbsmi;
2326 memset(smibuf, 0, sizeof(struct SuppMsgInfo));
2327 smibuf->smi_msgnum = msgnum;
2328 smibuf->smi_refcount = 1; /* Default reference count is 1 */
2330 /* Use the negative of the message number for its supp record index */
2331 TheIndex = (0L - msgnum);
2333 cdbsmi = cdb_fetch(CDB_MSGMAIN, &TheIndex, sizeof(long));
2334 if (cdbsmi == NULL) {
2335 return; /* record not found; go with defaults */
2337 memcpy(smibuf, cdbsmi->ptr,
2338 ((cdbsmi->len > sizeof(struct SuppMsgInfo)) ?
2339 sizeof(struct SuppMsgInfo) : cdbsmi->len));
2346 * PutSuppMsgInfo() - (re)write supplementary record for a message
2348 void PutSuppMsgInfo(struct SuppMsgInfo *smibuf)
2352 /* Use the negative of the message number for its supp record index */
2353 TheIndex = (0L - smibuf->smi_msgnum);
2355 lprintf(9, "PuttSuppMsgInfo(%ld) - ref count is %d\n",
2356 smibuf->smi_msgnum, smibuf->smi_refcount);
2358 cdb_store(CDB_MSGMAIN,
2359 &TheIndex, sizeof(long),
2360 smibuf, sizeof(struct SuppMsgInfo));
2365 * AdjRefCount - change the reference count for a message;
2366 * delete the message if it reaches zero
2368 void AdjRefCount(long msgnum, int incr)
2371 struct SuppMsgInfo smi;
2374 /* This is a *tight* critical section; please keep it that way, as
2375 * it may get called while nested in other critical sections.
2376 * Complicating this any further will surely cause deadlock!
2378 begin_critical_section(S_SUPPMSGMAIN);
2379 GetSuppMsgInfo(&smi, msgnum);
2380 smi.smi_refcount += incr;
2381 PutSuppMsgInfo(&smi);
2382 end_critical_section(S_SUPPMSGMAIN);
2384 lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
2385 msgnum, smi.smi_refcount);
2387 /* If the reference count is now zero, delete the message
2388 * (and its supplementary record as well).
2390 if (smi.smi_refcount == 0) {
2391 lprintf(9, "Deleting message <%ld>\n", msgnum);
2393 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2394 delnum = (0L - msgnum);
2395 cdb_delete(CDB_MSGMAIN, &delnum, sizeof(long));
2400 * Write a generic object to this room
2402 * Note: this could be much more efficient. Right now we use two temporary
2403 * files, and still pull the message into memory as with all others.
2405 void CtdlWriteObject(char *req_room, /* Room to stuff it in */
2406 char *content_type, /* MIME type of this object */
2407 char *tempfilename, /* Where to fetch it from */
2408 struct usersupp *is_mailbox, /* Mailbox room? */
2409 int is_binary, /* Is encoding necessary? */
2410 int is_unique, /* Del others of this type? */
2411 unsigned int flags /* Internal save flags */
2416 char filename[PATH_MAX];
2419 struct quickroom qrbuf;
2420 char roomname[ROOMNAMELEN];
2421 struct CtdlMessage *msg;
2424 if (is_mailbox != NULL)
2425 MailboxName(roomname, is_mailbox, req_room);
2427 safestrncpy(roomname, req_room, sizeof(roomname));
2428 lprintf(9, "CtdlWriteObject() to <%s> (flags=%d)\n", roomname, flags);
2430 strcpy(filename, tmpnam(NULL));
2431 fp = fopen(filename, "w");
2435 tempfp = fopen(tempfilename, "r");
2436 if (tempfp == NULL) {
2442 fprintf(fp, "Content-type: %s\n", content_type);
2443 lprintf(9, "Content-type: %s\n", content_type);
2445 if (is_binary == 0) {
2446 fprintf(fp, "Content-transfer-encoding: 7bit\n\n");
2447 while (ch = getc(tempfp), ch > 0)
2453 fprintf(fp, "Content-transfer-encoding: base64\n\n");
2456 sprintf(cmdbuf, "./base64 -e <%s >>%s",
2457 tempfilename, filename);
2461 lprintf(9, "Allocating\n");
2462 msg = mallok(sizeof(struct CtdlMessage));
2463 memset(msg, 0, sizeof(struct CtdlMessage));
2464 msg->cm_magic = CTDLMESSAGE_MAGIC;
2465 msg->cm_anon_type = MES_NORMAL;
2466 msg->cm_format_type = 4;
2467 msg->cm_fields['A'] = strdoop(CC->usersupp.fullname);
2468 msg->cm_fields['O'] = strdoop(req_room);
2469 msg->cm_fields['N'] = strdoop(config.c_nodename);
2470 msg->cm_fields['H'] = strdoop(config.c_humannode);
2471 msg->cm_flags = flags;
2473 lprintf(9, "Loading\n");
2474 fp = fopen(filename, "rb");
2475 fseek(fp, 0L, SEEK_END);
2478 msg->cm_fields['M'] = mallok(len);
2479 fread(msg->cm_fields['M'], len, 1, fp);
2483 /* Create the requested room if we have to. */
2484 if (getroom(&qrbuf, roomname) != 0) {
2485 create_room(roomname,
2486 ( (is_mailbox != NULL) ? 4 : 3 ),
2489 /* If the caller specified this object as unique, delete all
2490 * other objects of this type that are currently in the room.
2493 lprintf(9, "Deleted %d other msgs of this type\n",
2494 CtdlDeleteMessages(roomname, 0L, content_type));
2496 /* Now write the data */
2497 CtdlSaveMsg(msg, "", roomname, MES_LOCAL, 1);
2498 CtdlFreeMessage(msg);
2506 void CtdlGetSysConfigBackend(long msgnum) {
2507 config_msgnum = msgnum;
2511 char *CtdlGetSysConfig(char *sysconfname) {
2512 char hold_rm[ROOMNAMELEN];
2515 struct CtdlMessage *msg;
2518 strcpy(hold_rm, CC->quickroom.QRname);
2519 if (getroom(&CC->quickroom, SYSCONFIGROOM) != 0) {
2520 getroom(&CC->quickroom, hold_rm);
2525 /* We want the last (and probably only) config in this room */
2526 begin_critical_section(S_CONFIG);
2527 config_msgnum = (-1L);
2528 CtdlForEachMessage(MSGS_LAST, 1, sysconfname, NULL,
2529 CtdlGetSysConfigBackend);
2530 msgnum = config_msgnum;
2531 end_critical_section(S_CONFIG);
2537 msg = CtdlFetchMessage(msgnum);
2539 conf = strdoop(msg->cm_fields['M']);
2540 CtdlFreeMessage(msg);
2547 getroom(&CC->quickroom, hold_rm);
2549 lprintf(9, "eggstracting...\n");
2550 if (conf != NULL) do {
2551 extract_token(buf, conf, 0, '\n');
2552 lprintf(9, "eggstracted <%s>\n", buf);
2553 strcpy(conf, &conf[strlen(buf)+1]);
2554 } while ( (strlen(conf)>0) && (strlen(buf)>0) );
2559 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
2560 char temp[PATH_MAX];
2563 strcpy(temp, tmpnam(NULL));
2565 fp = fopen(temp, "w");
2566 if (fp == NULL) return;
2567 fprintf(fp, "%s", sysconfdata);
2570 /* this handy API function does all the work for us */
2571 CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);